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Nanocomposite based on modified TiO2-BSA for functional applications
1Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology (CSIR), Thiruvananthapuram, India.
Colloids and Surfaces. B, Biointerfaces
|March 24, 2009
Summary
A new titanium dioxide-protein nanocomposite was created by covalently attaching bovine serum albumin (BSA) to TiO(2) particles. This functional material shows potential for various applications, confirmed by detailed characterization.
Area of Science:
- Materials Science
- Biochemistry
- Nanotechnology
Background:
- Developing novel nanocomposites is crucial for advanced functional materials.
- Protein immobilization on inorganic nanoparticles offers unique properties for applications.
Purpose of the Study:
- To prepare and characterize a novel nanocomposite using TiO(2) and bovine serum albumin (BSA).
- To investigate the covalent immobilization of BSA onto TiO(2) particles for functional applications.
Main Methods:
- Covalent immobilization of BSA onto functionalized TiO(2) particles via silane and glutaraldehyde coupling.
- Characterization using IR spectroscopy, SEM, TEM, TGA, DSC, and CD spectra.
Main Results:
- Successful formation of a TiO(2)-BSA nanocomposite confirmed by Schiff's base formation via IR spectroscopy.
- Optimum BSA loading achieved at 73.61%.
- Surface morphology, thermal stability, and structural changes of immobilized BSA were analyzed.
Conclusions:
- A stable and functional TiO(2)-BSA nanocomposite was successfully synthesized.
- The characterization confirmed the successful immobilization and properties of the composite.
- The developed nanocomposite holds promise for diverse functional applications.
